Single point battery watering system including battery refill valves incorporating flame arrestors - The present invention is directed to a refill valve for use in single point battery watering systems for refilling wet cell batteries. The refill valve comprises a porous internal flame arrestor that is in the path of the liquid. Such a design is advantageous because it prevents the internal propagation of flames between battery cells through the battery watering system under dry conditions.

11-19-2009

20080299445

SECONDARY BATTERY PACK - A chargeable and dischargeable lithium cell and the filter unit capable of absorbing flammable materials are housed inside a casing. When an overvoltage is impressed from a battery charger to a battery pack and then internal gases inside the lithium cell are discharged out of an explosion-proof valve, the flammable materials included in internal gases are absorbed by the filter unit to change the internal gases into nonflammable gases. The internal gases purified by passing through the filter unit are exhausted from a gas-vent opening to the outside of the casing. By providing the filter unit inside the casing, the flammable materials discharged out of the lithium cell

12-04-2008

429084000

Nonspill fluent electrolyte type other than gas diffusive type

1

20130216876

SECONDARY BATTERY OF IMPROVED SEALABILITY - Disclosed herein is a secondary battery having an electrode assembly placed in a prismatic container, wherein an upper part of the inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container is configured to have a chamfered structure in which the diameter of the electrolyte injection hole is gradually decreased downward, a lower part of the inside of the electrolyte injection hole is configured to have a non-chamfered structure, the chamfered structure is formed in an irregular shape to increase the length of an electrolyte leakage route along which an electrolyte leaks out of the secondary battery, and, when a sealing member is pressed into the electrolyte injection hole, the sealing member is deformed so as to correspond to an internal structure of the electrolyte injection hole such that the electrolyte injection hole is sealed by the sealing member.

08-22-2013

Entries

Document

Title

Date

20120189884

Rechargeable battery - A rechargeable battery includes an electrode assembly having a first electrode plate, a separator and a second electrode plate, a first collector plate electrically connected to the first electrode plate, a second collector plate electrically connected to the second electrode plate, a case accommodating the electrode assembly, the first collector plate and the second collector plate, a first electrode terminal electrically connected to the first collector plate, a second electrode terminal electrically connected to the second collector plate, a first plate connected to the first collector plate and the first electrode terminal and sealing the case, a second plate connected to the second collector plate and the second electrode terminal and including a short-circuit plate, and an insulation plate interposed between the first plate and the second plate.

07-26-2012

20120183824

GAS VENTING STRUCTURE FOR ENERGY STORAGE DEVICE AND ENERGY STORAGE DEVICE INCLUDING THE SAME - The present invention relates to a gas venting structure for an energy storage device including: a bolt consisting of a body and a head and having an outlet inside to pass gas therethrough; a case having a bolt insertion hole inside to insert the bolt therein; and a barrier coupled with the case to block the outlet of the bolt, and an energy storage device including the same.

07-19-2012

20130323550

BATTERY PACK PRESSURE VALVE - Various embodiments are described herein for a pressure valve for a battery pack comprising a housing that has a cavity, a first plate inside the cavity and an expansible chamber inside the cavity between the first plate and the bottom of the housing. The first plate and the expansible chamber have openings that are in fluid communication with a gas inside the battery pack. The expansible chamber is deformable in order to contract or expand in response to changes in pressure in the gas within the battery pack and the first plate is movable relative to the bottom of the housing.

12-05-2013

20150037632

BATTERY COOLING SYSTEM - A battery cooling system has a case that forms an internal space surrounded by a plurality of walls to accommodate a plurality of battery cells, a blower accommodated in the case that circulates a fluid for cooling the plurality of battery cells inside of the case, and a passage-along-wall forming member. The passage-along-wall forming member forms passage-along-walls along with and between side walls among the plurality of walls that forms the case. The passage-along-wall forming member has an inflow part where the fluid flowing out of the blower before contacting the battery cells passes when flowing into the passage-along-wall, and an outflow part where the fluid flowed in from the inflow part into the passage-along-wall passes when flowing out from the passage-along-wall.

02-05-2015

20130230752

SEALED BATTERY - A sealed battery includes a battery case. A side of the battery case includes a cleavage groove forming a cleavage line intersecting a ridge line. The cleavage line is formed exclusively of a curved line having a first curved segment curved to protrude in one direction as viewed in a direction normal to the side of the battery case and a second curved segment curved to protrude in a direction forming an angle of 90 degrees or larger with the direction in which the first curved segment protrudes, the first and second curved segments being connected with each other. An end of the first curved segment is connected with an end of the second curved segment. At least one of the first curved segment and the second curved segment intersects the ridge line. The cleavage groove has a depth that produces a ratio of the remaining thickness relative to the plate thickness of the battery case of 75% or smaller.

09-05-2013

20150037631

BATTERY MODULE - A battery module includes a first battery cell, a first barrier, and a second barrier, the first battery cell being between the first barrier and the second barrier, wherein a first opening is in flow communication with a first space defined between a first side of the first battery cell and a first side portion formed by at least one of the first and second barriers, the first space being in flow communication with a second space defined between a second side of the first battery cell and a second side portion formed by at least one of the first and second barriers.

02-05-2015

20090111007

BATTERY SYSTEM - A battery system includes a plurality of electric rechargeable cells which are stacked in a row and conductive members which electrically connect the electric rechargeable cells together. The electric rechargeable cells each has a gas exhaust port, and a positive electrode terminal and a negative electrode terminal which are disposed in such a manner as to hold the gas exhaust port therebetween. The battery system includes a gas exhaust member connected to the gas exhaust ports, a partition holding member which establishes partitions between the gas exhaust member and the positive electrode terminals and the negative electrode terminals in such a manner as to cover them and on which the conductive members are provided, and a voltage control circuit which is attached to an outer surface side of the partition holding member in a position which confronts the gas exhaust member and controls voltages of the electric rechargeable cells.

04-30-2009

20090263706

VENTING SYSTEM FOR AN UNDERGROUND ENCLOSURE - A pressurized underground enclosure includes a battery venting system having a battery within a battery box in a sealed enclosure. A first pipe is fluidly connected to the battery box and an ambient atmosphere and includes a vacuum generator for reducing a pressure in the battery box. A second pipe is fluidly connected to the battery box and the ambient atmosphere and includes a one-way valve permitting airflow to the battery box and precluding airflow from the battery box to the ambient atmosphere. The enclosure includes a scissors lift including scissor linkage units having arms pivotally connected at terminal ends and at central positions. The scissor linkage units are moveable from a retracted to an extended position by pneumatic cylinders. The internal pressurization of the enclosure is selectively released and locking mechanisms are retracted before a rack of the scissors lift is extended through an opening of the enclosure.

10-22-2009

20130344357

SOLID BATTERY AND METHOD FOR MANUFACTURING SOLID BATTERY - Provided are: a solid battery which has been sealed in an exterior material under a reduced pressure, wherein gas in the exterior material can be fully removed when depressurizing the inside of the exterior material; and a method of manufacturing the solid battery, the solid battery having a single cell having: a laminated body having a cathode layer, an anode layer, and an electrolyte layer disposed between the cathode layer and the anode layer; an insulating part disposed on an outer perimeter of the laminated body in a cross-sectional view of the laminated body in a direction orthogonal to a lamination direction thereof, and a pair of current collectors sandwiching the laminated body and the insulating part, wherein the single cell has been sealed in an exterior material under a reduced pressure; and the insulating part has vent holes.

12-26-2013

20140349153

WET BATTERY PACKAGE - A wet battery package includes a casing defining a receiving space, an electrically insulating liquid received in the receiving space, a battery unit installed in the receiving space, and an electrical power control unit installed in the receiving space and electrically coupled to the batteries. The battery unit includes a plurality of spaced-apart batteries at least a portion of each of which is immersed in the electrically insulating liquid. The electrical power control unit includes two output terminals that are exposed from the casing and that output electricity of the batteries.

11-27-2014

20100255354

Battery box assembly for toys - A battery box assembly for toys includes a frame having an engaging portion on a side thereof and a box has a first end pivotably connected to the frame and a battery unit

10-07-2010

20100330404

BATTERY HOUSING TRAY AND ASSEMBLED-BATTERY HOUSING TRAY USING THE SAME - A PTC resistor according to the present invention comprises at least one PTC composition which comprises at least one resin and at least two conductive materials. The at least two conductive materials comprises at least two conductive materials different from each other. The at least one PTC composition may comprise a first PTC composition which comprises a first resin and at least one first conductive material and a second PTC composition which is compounded with the first PTC composition and comprises a second resin and at least one second conductive material. The at least one first conductive material is at least partially different from the at least one second conductive material. One of the first resin and the second resin may comprise a reactant resin and a reactive resin which is cross-linked with the reactant resin. The PTC resistor may comprise a flame retardant agent. The PTC resistor may comprise a liquid-resistant resin.

12-30-2010

20090233159

CYLINDRICAL NICKEL-ZINC CELL WITH NEGATIVE CAN - A nickel-zinc battery cell is formed with a negative can, a positive cap, and a jelly roll of electrochemically active positive and negative materials within. The inner surface of the can is protected with an anticorrosive material that may be coated or plated onto the can. Good electrical contact between the jelly roll and the cap is achieved through folding the nickel substrate over to contact a positive current collection disk.

09-17-2009

20120114992

BATTERY MODULE - A battery module including a plurality of battery cells each having a terminal surface accommodating at least one electrode terminal and a vent, and a bottom surface generally opposite from the terminal surface; and an end plate on the terminal surface of each of the battery cells, the end plate having an exhausting hole generally corresponding to the vent and a guide unit covering a portion of the exhausting hole.

05-10-2012

20120114991

BATTERY MODULE - The described technology relates generally to a high capacity battery module. The battery module according to an exemplary embodiment includes a plurality of rechargeable batteries configured to comprise electrode terminals externally protruded and identification units disposed on the peripheries of the electrode terminals, a bus bar configured to electrically connect the electrode terminals of the plurality of neighboring rechargeable batteries, and a protection member disposed between the plurality of rechargeable batteries and the bus bars.

INSULATING RING AND LITHIUM ION BATTERY HAVING THE SAME - The present invention discloses an insulating ring for a lithium ion battery, comprising: a circular ring body; a core rod positioning member configured at a central part of the circular ring body for positioning a core rod of the lithium ion 5 battery; and at least a tab hole configured to be adjacent to the core rod positioning member through which a tab of the core rod is penetratable. Further, a lithium ion battery having the insulating ring is also disclosed. With the present invention, battery safety performance is enhanced greatly.

11-17-2011

20090286141

BATTERY ASSEMBLY - A battery assembly of the invention includes a secondary battery formed by stacking a plurality of unit battery cells having a cathode and an anode, collector electrodes provided on respective end surfaces of the secondary battery positioned in the stacking direction of the unit battery cells; and terminal portions formed at the collector electrodes, protruded outward from a side surface of the secondary battery, to which conductive members are connected for charging and discharging. A coolant is supplied to the terminal portions to cool the terminal portions.

11-19-2009

20120028090

SECONDARY BATTERY - A secondary battery includes an electrode assembly in which a cathode plate and an anode plate are arranged with a separator being interposed therebetween, a case in which the electrode assembly is received, a cap assembly capable of sealing an open end of the case, a gasket interposed between the case and the cap assembly, and a leakage prevention portion formed at one surface of the gasket and/or one surface of the cap assembly, which is oriented toward the electrode assembly and contacted with the gasket.

Cell Cartridge with a Composite Intercell Connecting Net Structure - The present invention provides a cell cartridge with a composite cell interconnection network, in which plural unit cells are assembled and modularized in a case in a composite series-parallel connection manner. An object of the present invention is to provide a cell cartridge with a composite cell interconnection network, in which a plurality of unit cells can be simply assembled, as opposed to conventional methods of binding the unit cells with glass tape, for example, to shorten the time required for assembly, improve assemblability and productivity, and increase the accuracy of manufacturing standards. Moreover, another object of the present invention is to provide a cell cartridge with a composite cell interconnection network, in which a plurality of unit cells are spaced at regular intervals to prevent problems caused by direct contact between the cells and by heat generated thereby, prevent problems such as cell performance degradation and reduced battery lifespan caused by the direct contact and the generated heat, and enable mass production of standardized and modularized battery packs. Furthermore, still another object of the present invention is to provide a cell cartridge with a composite cell interconnection network, in which the structure of external terminals connected to cell terminals is modified to prevent a contact failure or excessive contact resistance between the cell terminals and the external terminals, and which can solve many other problems, caused by the welding of a nickel plate in conventional methods, such as welding defects, inconvenience of welding process, excessive assembly time due to the welding, degradation of assemblability and productivity, etc. To this end, a cell cartridge with a composite cell interconnection network is disclosed, the cell cartridge comprising: a plurality of unit cells; a case which accommodates the unit cells and is then assembled; a plurality of spacing members, each disposed between the unit cells accommodated in the case to space the unit cells a predetermined distance from each other; and a plurality of connection plates fixedly mounted on an inner side of the case and each including terminals connected to electrodes of the respective unit cells to connect the electrodes of adjacently arranged cells to each other, wherein the unit cells are connected to each other by the connection plates connected to the respective electrodes in a composite series-parallel connection manner.

11-24-2011

20140349154

BATTERY CELL CARRIER - The present disclosure is directed at a cell carrier, a stack that includes multiple cell carriers, and a method for assembling the stack. The cell carrier has a rigid backing and bus bar supports that are rigidly mounted to the rigid backing. The bus bar supports have sockets positioned to receive fasteners for securing bus bars to the bus bar supports. A battery cell that has electrodes in the form of pliable tabs can be secured to the cell carrier by, for example, adhering the cell body to the rigid backing. The cell tabs are secured between the bus bars and the bus bar supports when bus bars are fastened to the bus bar supports, and the rigidly mounted supports help prevent relative motion between the cell body and tabs. This helps prevent the cell tabs from ripping or tearing when the battery cell is subjected to vibrations during use.

11-27-2014

20120308858

Battery Pack Enclosure with Controlled Thermal Runaway Release System - A battery pack thermal management system is provided that is comprised of at least one enclosure failure port integrated into at least one wall of a battery pack enclosure, where the enclosure failure port(s) remains closed during normal operation of the battery pack, and opens during a battery pack thermal runaway event, thereby providing a flow path for hot gas generated during the thermal runaway event to be exhausted out of the battery pack enclosure in a controlled fashion.

RECHARGEABLE BATTERY AND MODULE THEREOF - A rechargeable battery includes an electrode assembly including electrodes both sides of a separator; a case accommodating the electrode assembly; a cap plate coupled to an opening of the case; an electrode terminal assembled to a terminal hole of the cap plate; an insulator between the electrode terminal and a first surface of the cap plate; a gasket between the electrode terminal and a second surface of the cap plate; and a lead tab at one side of the gasket to connect the electrode terminals to the electrode assembly. The electrode terminal and the cap plate form a vent hole that penetrates the electrode terminal and the cap plate, and the vent hole is sealed by a vent plate.

Rechargeable Battery - A rechargeable battery including an electrode assembly having a first electrode and a second electrode; a case housing the electrode assembly; a cap plate coupled to the case; a terminal electrically connected to the electrode assembly and protruding from the cap plate; a connecting member on the cap plate, the connecting member including a body, a first short-circuit tab within the body and electrically connected to the first electrode, and a second short-circuit tab within the body and electrically connected to the second electrode; and a short-circuit member spaced the first short-circuit tab and the second short-circuit tab.

03-21-2013

20140302361

RECHARGEABLE BATTERY - A rechargeable battery including an electrode assembly including a first surface; a case containing the electrode assembly and an electrolyte solution; a cap plate covering an opening of the case and including a first surface spaced apart in a first direction from and facing the first surface of the electrode assembly; and an electrolyte solution absorption member inside the case and located between the first surface of the electrode assembly and the first surface of the cap plate in the first direction, the electrolyte solution absorption member configured to absorb a portion of the electrolyte solution.

10-09-2014

20100143772

RECHARGEABLE BATTERY - A rechargeable battery includes: an electrode group including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a case housing the electrode group; a cap-up electrically connected with the electrode group and combined with the case; a vent plate installed below the cap-up and having a notch; and a heterogeneous metallic member installed between the cap-up and the vent plate and made of a clad metal, whereby the stability and outputting of the rechargeable battery can be improved.

06-10-2010

20140356665

BATTERY PACK - A battery pack may include a drainage device provided at a bottom portion of the housing case. The drainage device may include a drain hole communicating between the inside and the outside of the housing case, so that water introduced into the housing case is discharged to the outside of the housing case. The drainage device may be disposed between two of the terminal members that are connected to electrodes of the battery cells.

12-04-2014

20090297927

CAP ASSEMBLY AND SECONDARY BATTERY HAVING THE SAME - A cap assembly and a secondary battery having the same, the cap assembly including a vent that breaks at a relatively low, uniform, breaking pressure. The vent includes a body, a connecting part that extends from an edge of the body and is bent towards the body, and a flange that extends from the connecting part and is bent away from the body. The connecting part is thinner than the body and the flange. The secondary battery includes an electrode assembly, a can to house the electrode assembly, and the cap assembly to seal the can.

12-03-2009

20140356664

BATTERY MODULE - A battery module includes a plurality of battery cells aligned in one direction, the plurality of battery cells being adjacent to each other along a first direction, a pair of side plates spaced apart from each other along a second direction perpendicular to the first direction, the plurality of aligned battery cells being positioned between the pair of side plates, and barriers respectively interposed among the plurality of battery cells, each barrier including at least one first fixing portion on a side thereof, the at least one first fixing portion being coupled to a corresponding second fixing portion on a side plate of the pair of side plates.

12-04-2014

20090130544

CYLINDRICAL LITHIUM ION SECONDARY BATTERY HAVING FUNCTIONAL CENTER PIN - A lithium ion secondary battery including an electrode assembly, a center pin positioned within the electrode assembly, a variable-length member coupled to the center pin, the variable-length member adapted to increase in length when an interior temperature of the center pin reaches a critical temperature, a can containing the electrode assembly, the center pin, and the variable-length member, and a cap assembly coupled to the can, the cap assembly having safety means fracturable in response to the variable-length member being increased in length.

05-21-2009

20080318117

Battery assembly including an electrolyte management system - A battery assembly may include a battery and a battery housing. The battery may include an electrolyte vent to provide a pressurized electrolyte discharge during an electrolyte discharge event. The battery housing may contain the battery and may include an electrolyte control member to dissipate energy from and inhibit dispersion of the pressurized electrolyte discharge from the electrolyte vent during the electrolyte discharge event.

12-25-2008

20130115492

SEALED TYPE BATTERY - A sealed type battery includes: a can where an electrode winding group; a lid which has a liquid filling hole for injecting a liquid electrolyte and seals an opening of the can; and a liquid filling tap which is fitted to the liquid filling hole and seals the liquid filling hole by welding. A projection molten in welding is provided on one of the outer surface of the liquid filling tap and the outer surface of the lid connected to the liquid filling hole. The liquid filling tap is welded to the liquid filling hole using molten metal of the projection in welding as well.

05-09-2013

20130115491

PRESSURE-RELIEF MECHANISM TO IMPROVE SAFETY IN LITHIUM-POLYMER BATTERY CELLS - The disclosed embodiments relate to a battery cell which includes a weakness for relieving pressure. This battery cell includes a jelly roll comprising layers which are wound together, including a cathode with an active coating, a separator and an anode with an active coating. The jelly roll also includes a first conductive tab coupled to the cathode and a second conductive tab coupled to the anode. The jelly roll is enclosed in a flexible pouch, wherein the first and second conductive tabs extend through seals in the pouch to provide terminals for the battery cell. This pouch includes a weakness which yields when internal pressure in the pouch exceeds a threshold to create a hole which releases the internal pressure.

05-09-2013

20130122335

BATTERY CELL AND BATTERY MODULE INCLUDING THE SAME - Provided are a battery cell and a battery module including the same. The battery cell is provided with a vent part, which is a predetermined region of a sealing part of a case having a width narrower than that of the other region thereof, thereby making it possible to easily discharge gas.

PRESSURE RELIEF MECHANISM FOR AN ENERGY STORAGE SYSTEM - An energy storage system comprising at least one energy storage module implemented as a sealed or submersible unit and adapted to supply electrical energy to a hybrid vehicle. The energy storage module comprises an enclosure and at least one battery array located within the enclosure. The energy storage module includes a pressure relief panel held in place by springs that allows battery gases to escape if gas pressures reach a predetermined threshold. Pressure in the enclosure compresses the springs causing the pressure relief panel to temporarily move outward until pressure is relieved at which time the springs force the pressure relief panel to reseal the enclosure.

09-27-2012

20100215998

Secondary battery module - A secondary battery module including a plurality of secondary battery cells, each secondary battery cell including electrodes on one side thereof and a vent on the same side as the electrodes, a module frame coupled to the plurality of secondary battery cells and fixing the secondary battery cells in a predetermined arrangement, the module frame including a plurality of vent holes corresponding to the vents of the secondary battery cells, and protrusions disposed around the vent holes and protruding toward the vents, wherein each vent of the secondary battery cells is coupled to one of the protrusions of the module frame.

08-26-2010

20120225335

BATTERY MODULE - A battery module which is able to discharge high-temperature gas emitted from an abnormal battery cell to the outside of a case, without adversely affecting normal battery cells, while suppressing as much as possible an increase in the volume of the battery module due to an exhaust chamber, is provided. The battery module of the present invention includes: a case having an opening, and an exhaust port for discharging gas generated inside the case; a plurality of battery cells each having a terminal plate in which an open part for discharging gas generated inside the cell is provided, the battery cells being arranged inside the case with the terminal plates facing the opening of the case; and a lid attached to the case so as to cover the opening of the case, the lid including a flat plate, and a plurality of convex parts which protrude from a plane including the flat plate toward the inside of the case, and are connected to the terminal plates of the battery cells. A gas flow path leading from the open part of each battery cell to the exhaust port of the case is formed by gaps formed between the convex parts of the lid.

09-06-2012

20120171533

Battery Assembly With Gas Discharge Mechanism - A battery gas discharge system is provided having a floorpan with an outlet and a fastener aperture. The outlet and the fastener aperture are laterally spaced from each other. The system also includes a battery module with a base for resting upon the floorpan. An attachment aperture and a vent aperture are formed through the base. The attachment aperture and the vent aperture are laterally spaced from each other. A gas discharge mechanism defines a passageway for gas discharge between the battery module and the vent aperture. The gas discharge mechanism includes a vent port that is coupled to the vent aperture and sized for receiving discharged gas. The vent port is adapted for mating with and forming a seal about the outlet by securing the base to the floorpan during assembly.

07-05-2012

20110117401

Battery pack - A battery pack includes a first battery module, the first battery module including unit batteries, a first plate, and a second plate, and a second battery module, the second battery module including unit batteries, a first plate, and a second plate. The first battery module may be stacked on the second battery module, the second plate of the first battery module may be between the first battery module and the second battery module, and the second plate of the first battery module may support the unit batteries of the first battery module and contact the first plate of the second battery module.

05-19-2011

20100310906

SECONDARY BATTERY - A secondary battery, in which working pressure and rupture pressure of a safety vent are effectively controlled with respect to a slope of the safety vent and shapes of rupturable grooves. The secondary battery includes an electrode assembly, a can accommodating the electrode assembly and a cap assembly coupled to the can, the cap assembly including a lower portion arranged at an upper side of the electrode assembly and having a through-hole arranged at a center thereof, a safety vent electrically connected to the electrode assembly through the through-hole and an insulator arranged between the safety vent and the lower portion of the cap assembly, wherein a first distance between a portion of the safety vent arranged at a region near the through-hole and the lower portion of the cap assembly is smaller than a second distance between a portion of the safety vent positioned furthest from the through-hole and the lower portion of the cap assembly.

12-09-2010

20110008658

ELECTRONIC DEVICE WITH SEALED BATTERY COMPARTMENT - A battery compartment and a battery-powered device utilizing the battery compartment. When installed to a battery-powered device, the battery compartment cavity and housed battery are maintained completely separate from the electronics of the battery-powered device. Therefore, a battery-powered device may be powered using a battery compartment of the present invention without concern that leaked electrolyte or emitted gas will enter the electronics portion of the device. A battery compartment of the present invention may also allow any built up electrolyte and/or gas to safely exit the battery compartment while simultaneously preventing or significantly inhibiting infiltration of the battery compartment by external substances.

VEHICLE BATTERY SYSTEM - A vehicle battery system has a vehicle battery, a cooling device to cool the vehicle battery and which includes a heat sink in thermal contact with the battery cells to transfer heat from the battery cells to the heat sink. The heat sink has at least one cooling channel through which a coolant may flow and connection ends formed by delimitations of the at least one cooling channel. A coolant distributor is provided at and connected to at least one end of the heat sink at a receiving region which is adhesive bonded to the heat sink, the receiving region of the coolant distributor surrounding the connection ends of the heat sink, in which the end faces of the delimitations of the cooling channel form stops for the coolant distributor which abut contact surfaces of the coolant distributor.

10-30-2014

20130244068

BATTERY UNIT - A battery unit that prevents an expansion of a battery cell, and that can prevent an increase in size of the battery unit or an increase in the number of components. The battery unit includes a box-like battery case that accommodates therein a battery module having a generally rectangular solid shape and including plural sheet-like battery cells stacked flat in a vertical direction of a vehicle body. The battery unit includes: a bottomed box-like casing body that forms a part of the battery case and into which the battery module is accommodated from above the vehicle body; and a fixing plate that abuts on a top surface of the battery module. The battery module is fixed to the casing body with pressure being applied to the battery module from above the vehicle body, by fastening the fixing plate to the casing body.

BATTERY PACK - A battery pack including a hollow hexahedral casing includes a first panel having first supporting holes; and a second panel having second supporting holes formed at locations corresponding to locations of the first supporting holes; and includes a plurality of secondary batteries. First ends of the secondary batteries are supported by the first supporting holes and second ends of the secondary batteries are supported by the second supporting holes.

06-02-2011

20110129704

BATTERY PACK - A battery pack including: a case in which a plurality of batteries are received; an electrode tab to connect the batteries to form one unit; and a data wire having a first end connected to the electrode tab, to act as a signal transmitting line of the plurality of batteries.

06-02-2011

20090087724

RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly, a case, a cap assembly, and an arc interrupter. The electrode assembly includes an anode, a cathode, and a separator interposed between the anode and the cathode. The case houses the electrode assembly and has an opening for the electrode assembly, and the cap assembly is coupled to the opening of the case and is electrically connected to the electrode assembly. The arc interrupter includes an interrupting member movably disposed in the cap assembly and a driving member connected to the interrupting member to transfer the interrupting member.

04-02-2009

20090311583

Closure Assembly with Low Vapor Transmission for Electrochemical Cell - A closure assembly for an electrochemical cell including a container and an end assembly sealing an open end of the container in order to minimize mass or weight loss of the cell due to electrolyte vapor transmission is disclosed. The end assembly is provided with a vent member capable of venting a fluid when the pressure within the cell exceeds a predetermined limit; a contact member operatively in electrical contact with a conductive contact of the end assembly and a current collector of an electrode of the cell; and an insulating, polymeric seal member disposed at least between conductive components of the closure assembly having different polarities. In a preferred embodiment, the seal member has a selected dimensional ratio in order to minimize vapor transmission of the electrolyte through the seal member.

12-17-2009

20120189885

BATTERY MODULE - A battery module includes a first unit cell, a second unit cell, a first exhaust chamber, and a second exhaust chamber. The first unit cell is disposed so that a positive electrode terminal faces the first direction. The second unit cell is connected in series to the first unit cell, the negative electrode terminal is disposed so as to face the first direction, and the second unit is disposed so as to be adjacent to the first unit cell. The first exhaust chamber is disposed so as to face the positive electrode terminal of the first unit cell, and discharges a gas which is emitted from the positive electrode terminal of the first unit cell. The second exhaust chamber is disposed so as to face the positive electrode terminal of the second unit cell, and discharges a gas generated from the positive electrode terminal of the second unit cell. The end surface of the second unit cell in the first direction and the outer surface of the first exhaust chamber in the first direction are flush with each other. The end surface of the first unit cell in a second direction opposite to the first direction and the outer surface of the second exhaust chamber in the second direction are flush with each other.

07-26-2012

20130084477

BATTERY PACK - A battery and an electrical apparatus accommodated in a battery pack body (

04-04-2013

20130078488

ELECTRIC STORAGE APPARATUS - An electric storage apparatus includes a holder for holding a plurality of electric storage devices. An inter-electric storage device air passage is formed between the electric storage devices. A holder body of the holder includes: at least one wall portion extending in a second direction, the at least one wall portion being opposed from outside to an electric storage device located at one end in a first direction among the plurality of electric storage devices; and an air vent portion formed side by side with the wall portion in a third direction orthogonal to the first and second directions, the air vent portion being opened to the first and second directions.

BATTERY MODULE - A battery module may include batteries that include electrode terminals, and a measurement member that measures one or more of a voltage, a current, or a temperature of each of the batteries. The measurement member may include receiving portions, and the battery module may include connection members that electrically connecting electrode terminals of neighboring batteries. Each of the connection members may include a protrusion extending therefrom, and each protrusion may be electrically connected to the measurement member. Each protrusion may also include an uppermost surface that faces away from the batteries, and the uppermost surface of each protrusion may engage one of the receiving portions.

07-10-2014

20140193679

SECONDARY BATTERY - A secondary battery includes an electrode assembly having a first electrode plate, a second electrode plate and a separator interposed between the first and second electrode plates; a lower case accommodating the electrode assembly therein; and a cap assembly sealing the lower case. In the secondary battery, the lower case has the electrode assembly and a vent portion, and includes a surface facing the cap assembly. The vent portion includes an intersecting portion formed inside the surface, first and second curved portions curved to extend from the intersecting portion, and an extending portion extended in a straight line from the intersecting portion. The thickness of the intersecting portion includes the minimum thickness of the surface.

07-10-2014

20110135978

BATTERY WITH HOUSING AND DEGASSING SYSTEM - A battery housing for a hybrid vehicle battery includes a degassing system on a floor of the housing. The degassing system includes a base body configured for attachment to the floor, where the base body includes an opening in an upper section and is at least partially permeable to a liquid in a lower section. The degassing system also includes a guide in the base body and a float provided in the base body. The guide is configured to guide the float.

LEAD ACID BATTERY MANUFACTURING METHOD AND LEAD ACID BATTERY - It is an object of the present invention to provide a lead-acid battery having a reliable exhaust structure suppressing unexpected leakage of acid mist and gas to outside the battery, and a method for fabricating such a lead-acid battery.

12-23-2010

20110256433

CURRENT COLLECTOR FOR AN ELECTROCHEMICAL CELL - A current collector for an electrochemical cell includes a member having an outer member and an inner member coupled to the outer member by a plurality of flexible arms configured to allow the inner member to move relative to the outer member.

SECONDARY BATTERY MODULE - A secondary battery module includes a cell block in which a plurality of square batteries are layered, and includes: a pair of end plates arranged to respectively face one side and another side of the cell block in a layering direction; and a pair of side frames and arranged to respectively face one side and another side in a cell width direction perpendicular to the layering direction of the cell block, and in the one side and another side in the cell width direction, one end portion being engaged with one end plate at the one side in the layering direction, and other end portion being engaged with other end plate at another side in the layering direction.

10-02-2014

20120301756

CURRENT COLLECTOR FOR AN ELECTROMECHANICAL CELL - A current collector for an electrochemical cell includes a member having an outer member and an inner member coupled to the outer member by a plurality of flexible arms configured to allow the inner member to move relative to the outer member.

RECHARGEABLE BATTERY HAVING MINUTE CURRENT TRANSPORTING MEMBER - A rechargeable battery includes an electrode assembly comprising a positive electrode and a negative electrode; a case accommodating the electrode assembly; and a cap assembly combined to the case and electrically connected to the electrode assembly, wherein the cap assembly comprises a first member and a second member that are electrically connected to each other, and a minute current transporting member located between the first member and the second member, the minute current transporting member having a larger resistance than the first member and the second member, and electrically connected to the first member and the second member.

10-23-2014

20150118530

Battery Pack - A battery pack includes battery cells in a plurality of neighboring rows arranged in a first direction, each row of the neighboring rows including a plurality of the battery cells arranged in a second direction, a holder between the neighboring rows of the battery cells, the holder having a first surface contacting a side surface of each of the battery cells forming a first row among the neighboring rows and a second surface contacting a side surface of each of the battery cells forming a second row among the neighboring rows, and a temperature device that measures a temperature of the battery cells. The holder includes a receiving groove extending inwardly from at least one of the first surface and the second surface of the holder to receive the temperature device, and a cooling hole that passes through the holder to enable a fluid to enter and exit the holder.

04-30-2015

20120003519

LITHIUM ION BATTERY - A lithium ion battery including a lithium ion battery core, a cylindrical aluminum shell, a positive guide needle of the anode, a negative guide needle of the cathode, an end cover, a sealing band, and a girdling band. The lithium ion battery core is arranged within the cylindrical aluminum shell. The positive guide needle of the anode and the negative guide needle of the cathode are led out from the end cover. The lithium ion battery core is sealed in the cylindrical aluminum shell via the sealing band and the girdling band which are molded by rolling. The bottom plane of the cylindrical aluminum shell is provided with an explosion-proof impression. The lithium ion battery has high capacity, high power, and high voltage. The batters also has a simple structure, is convenient to use, and features high safety.

01-05-2012

20120208052

Battery pack - A battery pack includes at least one secondary battery and a case that accommodates the at least one secondary battery. In the battery pack, at least one gas exhausting portion is provided at one side of the case.

MULTI-CELL BATTERY ASSEMBLY - A multi-cell battery in which a plurality of electrochemical cells are disposed in a battery case. The battery case includes one or more partitions which divide the interior of the case into a plurality of cell compartments that house the electrochemical cells. The battery case includes at least one gas channel have a tortuous pathway designed to trap electrolyte which may escape from the cell compartments. A unique battery terminal may be molded into the battery case.

07-02-2009

20120156535

Frame of a Cell of a Redox Flow Battery - For improving the energy efficiency of a cell of a redox flow battery it is desired that the electrolyte liquid flows to the greatest possible extent through the electrode and that there are no flow paths or leakages around the electrode. In order to achieve this, a frame of a cell of a redox flow battery is proposed, said frame having an opening

06-21-2012

20120121949

Vehicle Battery Packaging - A vehicle battery packaging for accommodating a plurality of longitudinal battery cells, wherein the battery cells are arranged in a frame in parallel with respect to their longitudinal axes, and wherein each battery cell has a first end and an opposite second end with respect to the longitudinal axis, the battery packaging including: a conductor plate adapted to electrically couple to the second ends of the battery cells; a cooling plate thermally coupled to the conductor plate; and a gap filler layer sandwiched between the conductor plate and the cooling plate.

05-17-2012

20130122336

POUCH TYPE SECONDARY BATTERY - Provided is a pouch type secondary battery. In more detail, a pouch type secondary battery includes an electrode assembly, a pouch type battery case, a sealing part, and an exhaust part, wherein the exhaust part is formed to have adhesion weaker than that of the sealing part to release the sealing of the exhaust part when the pouch type secondary battery is swollen due to high pressure generated within the secondary battery under the conditions of overheating such as overcharging, internal short, and the like, thereby discharging materials in the pouch type secondary battery to the outside so as to secure safety of the pouch type secondary battery.

BATTERY MODULE - A modular battery module that includes a plurality of substantially identical cartridges, a chassis, and a compression member, wherein each cartridge includes a heat sink with a thermal management channel; a prismatic cell coupled to the heat sink; and a first and a second manifold fluidly coupled to the thermal management channel, wherein the first and second manifolds form opposing edges of a frame, wherein the frame supports the edges of the heat sink. The plurality of cartridges is coupled together in the thickness direction to form a stack with a first and a second end. The chassis is formed from a first end plate, a second end plate, and the plurality of frames, wherein the first and second end plates cap the ends of the stack. The compression member couples the end plates and cartridges together, wherein the compression member applies a compressive force over a face of the batteries.

06-27-2013

20140017531

BATTERY PACK - A battery pack includes a plurality of unit cells whose exterior is extended in one direction and formed in an approximately cylindrical shape, a first external case whose external shape is formed in an approximately rectangular shape, and in which a plurality of approximately cylindrical battery storage sections that individually store the plurality of unit cells are provided on an inner surface, and a second external case which is configured to include the battery storage sections that individually store the plurality of unit cells on an inner surface, join the first external case, and hold the unit cells in such a manner as to sandwich the unit cells between both sides in a longitudinal direction, and the second external case whose external shape is formed in an approximately rectangular shape, and in which a gap is provided between the battery storage sections that are adjacently disposed.

01-16-2014

20100273035

STACKING TYPE ELECTROCHEMICAL CELL HAVING QUASI-BIPOLAR STRUCTURE - Provided is a stacking type quasi-bipolar electrochemical cell having a reliable, easy-to-manufacture, and simple structure. The electrochemical cell includes: an electrode including a current collector, and positive and negative active material layers disposed at both sides of the current collector and spaced apart from each other with a current collector extension part being located therebetween, wherein a polarity of the electrode is used as an opposite polarity in a neighboring cell; an electrode assembly formed by stacking a plurality of electrodes including the electrode; and an electric connection part connecting some of the electrodes of the electrode assembly which are included in the same series, the electric connection part connecting the some electrodes in parallel.

10-28-2010

20100291423

ELECTRIC STORAGE DEVICE - A substantially U-shaped sealing strip and a sealing strip are formed on an outer container of the electric storage device as first sealing strips by heat sealing processing so as to surround an electrode housing portion. Further, a safety valve portion having a narrower sealing width than other sites is formed in the center of the substantially U-shaped sealing strip. Furthermore, a second sealing strip is formed on the outer container to oppose the safety valve portion at a predetermined distance. When an internal pressure of the electrode housing portion exceeds a prescribed value due to overcharge, etc., a sealing surface of the safety valve portion peels away, thereby opening the safety valve portion such that gas in the electrode housing portion is discharged from the opened safety valve portion. Electrode material and an electrolyte are also discharged, but trapped by the second sealing strip.

11-18-2010

20140205877

RECHARGEABLE BATTERY - A rechargeable battery includes an electrode assembly, a case receiving the electrode assembly, a cap plate combined to the case, the cap plate including an opening and a bending inducing groove extending to a side of the cap plate from a side of the opening, and an electrode terminal installed in a terminal hole of the cap plate.

07-24-2014

20120231307

SECONDARY BATTERY - Provided is a secondary battery, which can prevent explosion and fire of the battery by melting a safety film formed on an electrode tab to quickly clear a sealed state of a case when the internal temperature or pressure of the battery rises. The secondary battery includes an electrode assembly including a first electrode tab and a second electrode tab, and a case accommodating the electrode assembly such that the electrode tab is exposed to the outside. At least one of the first and second electrode tabs has a recess formed lengthwise on at least one of top and bottom surfaces of the at least one of the first and second electrode tabs, and a safety film is positioned in the recess.

09-13-2012

20130236754

BATTERY MODULE - A battery module including a plurality of battery cells each having a vent; an insulating member on the battery cells, the insulating member having a plurality of openings and a protrusion seal extending around a periphery of each of the openings; a pressurizing member on the insulating member, the pressurizing member having a plurality of openings; and a cover covering the insulating member and the pressurizing member.

09-12-2013

20120263984

COOLING/HEATING ELEMENT FOR A RECHARGEABLE BATTERY - A cooling/heating element for a rechargeable battery, the cooling/heating element including a cooling area having a first boundary which physically contacts a first cell of the rechargeable battery, and a second boundary which physically contacts a second cell of the rechargeable battery. The cooling/heating element can be stacked and also include an inlet and/or outlet which interacts with an inlet and/or outlet of an adjacent cooling/heating element in a stack.

10-18-2012

20120263983

BATTERY MODULE - A battery module includes an outer case having a receiving space defined therein, an inner case having a cavity defined therein, the inner case being in the receiving space of the outer case, a plurality of unit battery packs in the cavity of the inner case, and an elastic buffer between the inner case and the outer case.

GAS-PERMEABLE FILTER PROVIDED WITH OIL REPELLENCY - A gas-permeable filter provided with oil repellency is provided. The gas-permeable filter includes a porous membrane having a surface coated with an oil-repellent agent. The oil-repellent agent includes a linear fluorine-containing hydrocarbon group represented by —R

01-23-2014

20150125723

Battery Module and Method for Manufacturing the Same - Provided are a battery module and a method for manufacturing the same. The battery module includes: a plurality of battery cells spaced apart from each other by a predetermined interval and stacked in parallel with each other; a plurality of heat exchange members integrally formed by connecting parts connecting between two partition walls neighboring to each other among partition walls each slid between the battery cells, respectively; and a filler applied onto the heat exchange members.

05-07-2015

20120328917

SECONDARY BATTERY AND METHOD FOR PRODUCING SAME - In order to obtain a secondary battery and a method for producing same whereby, notwithstanding the large size of an electrode group of several tens of stacked layers of positive electrode plates, negative electrode plates, and separators, any residual air, gases, or the like present between layers can be effectively driven out, and the electrolyte can be induced to reliably penetrate into the interior of the electrode group, secondary batteries RB

12-27-2012

20100167109

LOW PROFILE MANIFOLD FOR SINGLE POINT WATERING SYSTEM FOR LEAD-ACID BATTERIES - A single point watering assembly for a monobloc battery having a plurality of cell access ports each have a top edge. The assembly includes a manifold and a plurality of valve cartridges. The manifold overlies the access ports and includes extensions each extending into one of the access ports. Each valve cartridge is supported by one of the manifold extensions and is located below the top edge of the respective access port. Consequently, the assembly presents a low profile extending above the battery.

07-01-2010

20100167108

System for reducing thermal transfer between cells in a battery - A thermal transfer barrier is disclosed that is positionable adjacent to an electrical storage cell having a vent configured to release gasses from the cell. The thermal transfer barrier may comprise a barrier member having a first side for orienting toward the vent on the cell. The first side is contoured in a manner configured to collect gas directed toward the first side of the barrier member from the vent when released from the vent and guide the collected gas away from a cell positioned adjacent to the cell.

BATTERY MODULE - A battery module includes a plurality of battery cells, at least one barrier between respective adjacent battery cells of the plurality of battery cells, and a housing. The plurality of battery cells are aligned along a first direction. At least one barrier is between respective adjacent battery cells of the plurality of battery cells. The housing accommodates the plurality of battery cells and the barriers therein. In the battery module, each barrier between respective adjacent battery cells includes a base parallel to a wide surface of the respective adjacent battery cells, at least one spacer protruding in a direction parallel to the first direction and extending toward the wide surface of a respective adjacent battery cell from the base, and at least one support extending further from the base than the at least one spacer.

03-05-2015

20140186670

SECONDARY BATTERY COMPRISING INSULATOR - Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulator mounted on top of the jelly-roll includes a perforated inlet enabling gas discharge and penetration of electrode terminals, a plurality of fine pores having a size that allows permeation of an electrolyte solution, but does not allow permeation of foreign materials, and a plurality of strip or bead shaped protrusions disposed in transverse and/or longitudinal directions on one or both surfaces of the insulator.

07-03-2014

20140308552

BATTERY PACK - A battery pack includes: at least one battery module having a plurality of battery cells arranged in one direction; and a housing including a module accommodating portion for accommodating the battery module therein and a flange portion coupled to an entrance of the module accommodating portion, and the flange portion includes an inclined surface and a drainage port at the end of the inclined surface.

10-16-2014

20110244282

Electric Storage Module and Electric Storage Device - An electric storage module includes: a plurality of electric storage units; a casing that houses the plurality of electric storage units, and includes a pair of resin side plates that hold and support at least the plurality of electric storage units from opposite sides; a plurality of conductive members for electrically connecting the plurality of electric storage units; a metal cover member that covers the casing on an outside of each of the side plates; and a peripheral wall protruding from each of the side plates so as to surround each of the plurality of conductive members, wherein: a height of the peripheral wall from each of the side plates is higher than a height of the conductive members from each of the side plates, and smaller than a distance from each of the side plates to the cover member.

BATTERY MODULE - A battery module having a first battery cell; a frame member having first and second sides and first, second, third and fourth peripheral walls; and first and second thermally conductive plate members is provided. A plurality of flow channels are formed by the first and second thermally conductive plates. The third peripheral wall has a first outlet that receives the first electrical terminal of the first battery cell therethrough, such that if the first battery cell outputs gases therefrom the first outlet routes the gases from the first battery cell to outside of the frame member such that the gases are isolated from the air flowing through the plurality of flow channels.

02-20-2014

20120214033

BATTERY CELL ARRANGEMENT - A battery cell arrangement having a battery cell which is in the form of a film cell and includes a flat cell body with two end faces, a flexible cell rim surrounding the cell body, and two contact sections arranged on a rim side of the battery cell. The battery cell arrangement further has a frame arrangement which includes a first frame element and a second frame element which frames the cell body on all sides on the rim. At least one vent opening is provided on a side of the frame arrangement which faces away from the end faces of the cell body, in order to allow fluid, in particular gas, to emerge from the battery cell arrangement in the event of damage.

08-23-2012

20120100404

CAP ASSEMBLY AND SECONDARY BATTERY USING THE SAME - A cap assembly for a secondary battery is coupled to an open end of a battery can receiving an electrode assembly in which a separator is interposed between cathode and anode plates, and includes a top cap disposed on an uppermost portion in a protrusive form to form a cathode terminal; a safety element disposed below the top cap to contact the top cap; a safety vent disposed to contact the safety element; a current intercepting member having an upper portion welded to a lower end of the safety vent and a lower portion capable of being connected to the electrode assembly; a first gasket surrounding an outer circumference of the current intercepting member; and a second gasket surrounding the rims of the top cap, the safety element, and the safety vent, and a lower end portion extending to surround the lower portion of the current intercepting member.

04-26-2012

20120148888

SECONDARY BATTERY - A secondary battery including: an electrode assembly; a case for accommodating the electrode assembly and an electrolytic solution; and an identifying tape disposed in the case and that discolors when reacted with the electrolytic solution, wherein the identifying tape includes: a base film; an adhesive material disposed on one surface of the base film; and a discoloration material disposed on one surface of the base film.

RECHARGEABLE BATTERY - A rechargeable battery including at least one electrode assembly that performs charging and discharging; a case receiving the electrode assembly; a cap assembly coupled to the case and including at least one terminal electrically connected to the electrode assembly; a lead tab electrically connecting the terminal and the electrode assembly; and a supporting member between the lead tab and the case, wherein the lead tab includes at least one coupling bar attached to the electrode assembly, and the supporting member includes a supporting protrusion coupled to one surface of the coupling bar and a base supported by an inner surface of the case.

05-31-2012

20130157091

VEHICLE BATTERY PACK CONTAINER - A vehicle battery pack container is provided. The container includes a base portion having an aperture extending therethrough, a peripheral wall coupled to the base portion, and a cover coupled to the peripheral wall. The container further includes a venting device having a housing and a ball disposed within an interior region of the housing. The housing is coupled to the base portion such that the venting device is in fluid communication with the aperture in the base portion. The ball seals against a sealing tab of the housing at a first operational position to prevent fluids from passing through the venting device into the container. The ball allows gases from the container to flow through the venting device when the ball is at a second operational position.

06-20-2013

20120282502

RECHARGEABLE BATTERY - A rechargeable battery includes a case, an electrode assembly in the case, at least one terminal portion disposed at least partially inside the case, at least one current collecting member electrically connecting the electrode assembly and the terminal portion, the current collecting member including a terminal coupling portion, and at least one insulation member in the case. The insulation member includes a current collecting member coupling portion into which the terminal coupling portion extends. The current collecting member coupling portion supports at least a portion of the terminal coupling portion.

11-08-2012

20150072193

BATTERY MODULE LID SYSTEM AND METHOD - A system includes a lid disposed over battery cells in a battery module. The lid includes flexible fingers, and each of the flexible fingers aligns with a corresponding one of the battery cells. Each of the flexible fingers is configured to exert a downward force against the corresponding one of the battery cells, and the flexible fingers are configured to accommodate varying heights of the battery cells.

03-12-2015

20120244399

BATTERY PACK THERMAL VENT PROTECTION - A battery pack includes a set of walls made of sturdy material, power interface terminals and battery cells and optionally electronics held within the walls. A spring-loaded check valve installed in a wall of the enclosure fluidly connects an area within the enclosure with an atmosphere outside of the enclosure. The one-way check valve allows pressurized fluids to flow out of the enclosure while preventing pressurized fluids from flowing from the atmosphere into the enclosure.

09-27-2012

20080274396

Battery Vent - A battery vent comprising a chamber bounded by a sidewall and a plate. In the chamber, a frit housing has a retainer wall extending from the plate into the chamber to an open retainer wall lower face. A vent tube extends outwardly from the frit housing and has a vent channel which is open to the retainer wall inside face. A frit is applied over the open retainer wall lower face and secured thereto by over molding.

BATTERY PACK - In a battery pack, a plurality of cells are arranged, the cells each have an outlet through which gas generated in the cell is released in one direction, each two of the cells are arranged as one unit, and the each two of the cells are arranged such that directions of gas released through the outlets of the two cells are opposite to each other.

RECHARGEABLE BATTERY PACK - A rechargeable battery pack forms an outlet at a pack cover to discharge a gas and an erupting material erupted from a unit cell. The rechargeable battery pack includes at least one unit cell including a rechargeable battery, and a pack cover covering the unit cell, where the pack cover forms an outlet corresponding to a cap plate side of the unit cell.

01-15-2015

20110151294

SECONDARY BATTERY - Disclosed is a secondary battery that comprises an electrode assembly, a can accommodating the electrode assembly, and a cap assembly coupled to an upper portion of the can and including an upper cap that transfers a current of the electrode assembly to an exterior of the can. The upper cap includes a terminal part including a first flat portion disposed at a center of the upper cap and a second flat portion extending from a periphery of the first flat portion, a peripheral part disposed at a periphery of the terminal part and stepped from the terminal part, and a connection part connecting the terminal part to the peripheral part.

06-23-2011

20140234676

ELECTROCHEMICAL CELL HAVING A FIXED CELL ELEMENT - An electrochemical cell includes a cell element and a current collector disposed in a housing that includes a vent. The current collector includes an outer member and an inner member coupled together by one or more flexible arms. The outer member is coupled to the cell element and the inner member is coupled to the vent, such that the flexible arms allow axial movement of the inner member with respect to the outer member when the vent moves from an undeployed position to a deployed position. The housing may include a shoulder that holds the cell element in the housing. The electrochemical cell may also include a coil plate provided at an end of the cell element. The coil plate is coupled to an edge of at least one electrode of the cell element. The outer member of the current collector may be coupled to the coil plate and the inner member of the current collector may be coupled to the vent, such that when the vent moves from an undeployed position to a deployed position, the cell element remains substantially fixed within the housing.

08-21-2014

20120251856

Battery pack - A battery pack includes a battery cell; a case housing the battery cell; and an adhesion sheet surrounding at least a portion of an exterior surface of the case, wherein the adhesion sheet includes a base part and an adhesion part, the base part having a bending line corresponding in position to an edge of the case, and the adhesion part being on a bottom surface of the base part and including air exhaustion paths.

10-04-2012

20140134467

LITHIUM BATTERY WITH EXCELLENT SAFETY - Disclosed herein is a lithium battery which exhibits minimal dimensional deformation of a case thereof and easily discharges gas therefrom. The lithium battery includes an electrode assembly in which cathode and anode plates face each other with a separator therebetween; a case body receiving the electrode assembly and an electrolyte, the case body including a barrel-shaped sidewall open at a top thereof and a bottom bulging in a direction away from the electrode assembly; and a top cap disposed on the top of the case body and provided with a safety exhaust outlet through which gas is discharged upon increase in internal pressure.

05-15-2014

20080220320

BATTERY PACK - Provision of an extension-type battery pack which is improved in safety thereof against dropping and impact application. Although a battery pack is susceptible to damage caused by an impact since partial battery cells are located outside the outline of a notebook PC when it is mounted on the notebook PC, the battery pack is provided with a partition wall structure including an air space and a fireproof wall formed of a material which does not melt at a temperature of combustible gas discharged from a gas discharge valve of the respective battery cells. The material of the fireproof wall is preferably mica or the like. The partition wall structure can be provided between an inside battery compartment and an outside battery compartment of the battery pack or can be provided among other battery cells. This prevents fire spreading to other battery cells even if high-temperature combustible gas is discharged from a battery cell damaged by an impact or the like.

09-11-2008

20080220319

PACKAGE FOR SODIUM-SULPHUR BATTERY - Provided is a package for sodium-sulfur batteries in which the inner temperature can be suitably controlled even when it is installed in the place where temperatures and direction of wind change violently. Specifically, there is provided a package

09-11-2008

20110305930

BATTERY PACK - A battery pack includes a battery group including battery rows consecutively disposed adjacent to each other, with the battery rows including secondary batteries disposed parallel to each other and spaced apart from each other, a frame for surrounding the battery group, and a plurality of first ribs that are each disposed between adjacent battery rows. The first ribs include supporting grooves that are formed in lateral surfaces of the first ribs and accommodate portions of edges of the secondary batteries, and ends of each of the first ribs are coupled to the frame.

12-15-2011

20130143082

BATTERY MODULE - A battery module including a plurality of sub battery modules stacked together, each sub battery module comprising a plurality of battery cells, each of the battery cells having terminals and a vent portion on a first side of the sub battery modules; a pair of end plates, one of the ends plates located at each end of the battery module; a top plate on the first side of the sub battery modules; and a controller configured to control the battery cells for each of the sub battery modules, wherein each of the sub battery modules has an individual degassing region controlled by the controller.

06-06-2013

20130252045

BATTERY MODULE - A battery module includes a first unit cell arranged parallel to a second unit cell and a spacer arranged between the first and second unit cell. Each of the first and second unit cells includes a first electrode terminal and a second electrode terminal having a polarity opposite to that of the first electrode terminal. The spacer includes a main body and a first wall portion extending upward from the main body, and the first wall portion is disposed at and between the first electrode terminal of the first unit cell and the second electrode terminal of the second unit cell. The first electrode terminal of the first unit cell is juxtaposed to the second electrode terminal of the second unit cell.

Arrangement Of Stationary Batteries - A cassette for a battery stack, including a casing for a battery pack, which casing is made of a non-conducting material. The casing has a front side with an opening for receiving the battery pack. Preferably, the casing has a back side, opposite the front side, the back side being provided with electrical connections leading into the casing and arranged to connect to the poles of a battery pack when a battery pack is inserted into the casing through the front side. Arrangement of the cassettes is also provided, wherein the cassettes in the arrangement is placed in mechanical connection on top of each other.

09-08-2011

20110159326

SECONDARY BATTERY MOUNTED VEHICLE AND GAS TREATMENT APPARATUS FOR SECONDARY BATTERY - A secondary battery mounting vehicle and a gas treatment apparatus of a secondary battery is provided in which even if one of secondary battery modules generates heat, transfer of heat to another secondary battery can be prevented. The secondary battery mounting vehicle includes: a vehicle body having an exhaust vent; a first duct provided in the vehicle body and configured to communicate the exhaust vent and each of spouts when a plurality of secondary battery modules having the spouts from each of which a gas is spouted is mounted; a second duct provided in the vehicle body to communicate with an outside of the vehicle body; and an air flow generating mechanism configured to generate an air flow in the second duct in response to a gas flow in the first duct.

06-30-2011

20150093613

COOLING SYSTEM AND METHOD FOR LITHIUM-ION BATTERY MODULE - A system includes a battery module having electrochemical cells and a housing configured to receive the electrochemical cells. The housing includes a first sidewall having a first surface and a second surface. The housing also includes cooling channels extending through the first sidewall of the housing from the first surface to the second surface, where the cooling channels are configured to permit fluid flow through the cooling channels for cooling the electrochemical cells. Each of the cooling channels includes a first cross-sectional area across the first surface of the first sidewall and a second cross-sectional area across the second surface of the first sidewall, where the first cross-sectional area is not equal to the second-cross sectional area. Each of the cooling channels also includes a tapered portion extending between the first-cross sectional area and the second cross-sectional area.

04-02-2015

20130224539

BATTERY PACK - A battery pack may include a drainage device provided at a bottom portion of the housing case. The drainage device may include a drain hole communicating between the inside and the outside of the housing case, so that water introduced into the housing case is discharged to the outside of the housing case. The drainage device may be disposed between two of the terminal members that are connected to electrodes of the battery cells.

08-29-2013

20100291422

CAP ASSEMBLY FOR USE IN LITHIUM ION BATTERIES - Provided is a cap assembly for use in cylindrical lithium ion batteries. The cap assembly includes an insulating gasket defining a through hole therein, a rupture plate positioned in the through hole, a vent plate soldered on and electrically connected to the rupture plate, a current interrupt device positioned on the rupture plate, and an end cap assembled on the current interrupt device. The current interrupt device can cut off the current path when the battery discharges at a high discharge rate, so as to improve the safety performance of the lithium ion battery.

11-18-2010

20130196197

SYSTEMS AND METHODS FOR MANUFACTURING BATTERY CELLS - A system includes a battery cell having a packaging and a coil disposed within the packaging. The battery cell further includes a first terminal electrically coupled to a portion the coil and protruding through an opening in the packaging, wherein the first terminal is hermetically sealed at the opening in the packaging using a compressive force.

08-01-2013

20130196196

BATTERY WITH TEMPERATURE DETECTION, AND USE OF A BATTERY SUCH AS THIS - A battery includes a plurality of flat cells which are electrically connected in parallel and/or in series with one another and which, when disposed next to one another in rows perpendicular to their flat sides, form a substantially prismatic configuration. In order to obtain more accurate information about the state of the individual flat cells during operation of the battery and, for example, to allow such information to be used for matched temperature management, a heat dissipation plate, which is thermally linked to at least one flat side of a plurality of the flat cells and in each of which at least one temperature sensor is integrated, is provided in each case in the configuration. The battery may be used for spatially resolved battery temperature measurement.

08-01-2013

20130196195

BATTERY CELL CARRIER - The present disclosure is directed at a cell carrier, a stack that includes multiple cell carriers, and a method for assembling the stack. The cell carrier has a rigid backing and bus bar supports that are rigidly mounted to the rigid backing The bus bar supports have sockets positioned to receive fasteners for securing bus bars to the bus bar supports. A battery cell that has electrodes in the form of pliable tabs can be secured to the cell carrier by, for example, adhering the cell body to the rigid backing The cell tabs are secured between the bus bars and the bus bar supports when bus bars are fastened to the bus bar supports, and the rigidly mounted supports help prevent relative motion between the cell body and tabs. This helps prevent the cell tabs from ripping or tearing when the battery cell is subjected to vibrations during use.

08-01-2013

20150140377

BATTERY STRUCTURES - Battery structures are formed such that the use of wires and soldering is eliminated or reduced. The battery plates can be infused down their anode and the cathode edges with an electrically conductive epoxy or sealant that connects said plates to each other and takes the place of traditional copper wires. Additional connection channels, including those in the top structure, can be filled with electrically conductive materials to replace wires and make the necessary connections. The battery structures can be configured to create a dual voltage battery. The insertion of the battery plates is easily configured within the assembly process to achieve a variety of in-series or in-parallel connections thus varying the voltage and amperage to achieve a desired output, all within the same enclosure.

05-21-2015

20120282505

System for Reducing Thermal Transfer between Cells in a Battery - A battery assembly comprising a housing defining an interior and at least two electrical storage cells located in the interior of the housing. A thermal transfer barrier located in the interior of the housing, the thermal transfer barrier being positioned between the at least two cells in the housing, wherein the thermal transfer barrier is formed of a material having a greater insulation capability than a material of the housing.

11-08-2012

20120282504

Secondary Battery And Cover Assembly Employed Therein - Disclosed is a secondary battery including an electrode assembly, a casing and a cover assembly. In the electrode assembly, a cathode plate and an anode plate are arranged to face each other through a separator. The casing is adapted to house the electrode assembly therein. The cover assembly includes a metallic cover welded to an open end of the casing.

CYLINDRICAL SECONDARY BATTERY - Provided is a cylindrical secondary battery, comprising an electrode assembly having a cathode plate, an anode plate, and a separator interposed therebetween; a case for receiving the electrode assembly; a cap assembly for sealing an open-end of the case; and a gasket interposed between the case and the cap assembly, wherein the gasket is made of a polymer resin having a melting point of 200° C. or higher and a hardness of 100D or less.

10-17-2013

20110104531

Cap Assembly and Second Battery Including the Same - A cap assembly comprises a cap formed of a metal having electric conductivity, a safety vent formed of a metal having electric conductivity and disposed below the cap, and a positive temperature coefficient (PTC) resistance layer which includes a conductive polymer composition having PTC characteristics and which is disposed between the cap and the safety vent. A secondary battery comprises a can including an open portion at one side, an electrode assembly accommodated in the can, and a cap assembly as described above.

05-05-2011

20140023894

ENERGY STORAGE DEVICE AND METHOD - An energy storage device that includes a housing, which includes at least one end panel that includes at least one aperture therethrough. The device further includes a battery cell housed in the housing. The battery cell includes mutually opposed first and second faces joined at their edges. The device also includes a heat sink adjacent to the battery cell and in thermal contact with the first face of the battery cell. The heat sink defines at least one cooling medium passage extending parallel to the face of the adjacent battery cell. The cooling medium passage opens onto the at least one aperture formed through the at least one end panel of the housing.

01-23-2014

20120045672

VENTED BATTERY PACK - A lithium battery includes a lithium cell package disposed within an enclosure having means to route gases vented from the package in a controlled fashion. A plurality of enclosures may be stacked, defining a vent conduit for collecting and routing gases vented from any of the plurality of enclosures. Means for interfacing a gas conveyance means to the vent conduit are provided. In a further aspect, the enclosure may include features to control the location in the cell package at which vented gases are released.

02-23-2012

20120045671

BATTERY PACK INCLUDING A SUPPORT FRAME - A battery pack including a support frame. The support frame includes a plurality of recesses for receiving a plurality of battery cells, a first vent, a second vent, a first peripheral support section, a second peripheral support section, and an air passage. The first vent is located on a first distal end of the support frame, the second vent is located on a second distal end of the support frame, and the air passage is located between the first vent and the second vent. The first and second peripheral support sections space apart and securely hold the plurality of battery cells within the battery pack.

02-23-2012

20140141299

OUTER PACKAGING MATERIAL FOR BATTERY, AND BATTERY - An outer packaging material for a battery includes a heat resistant stretched resin film layer as an outer layer integrally laminated on one of surfaces of an aluminum foil layer via a first adhesive layer. A thermoplastic unstretched resin film layer as an inner layer is integrally laminated on the other surface of the aluminum foil layer via a second adhesive layer. An adhesive strength between the inner layer and the aluminum foil layer is 4 N/15 mm-width to 30 N/15 mm-width, and an adhesive strength between the outer layer and the aluminum foil layer is 2 N/15 mm-width to 14 N/15 mm-width. As a thermoplastic unstretched resin film constituting the inner layer, a thermoplastic unstretched resin film having a sealing strength of two sheets of the thermoplastic unstretched resin films arranged one on the other and heat sealed exceeding 30 N/15 mm-width but not exceeding 110 N/15 mm-width is used.

05-22-2014

20120321922

RECHARGEABLE BATTERY HAVING ANTI-VIBRATION MEMBER - A rechargeable battery that improves an anti-vibration property is provided. The rechargeable battery includes: an electrode assembly including a positive electrode, a negative electrode, and a separator that is disposed between the positive electrode and the negative electrode, a case that houses the electrode assembly, and a cap assembly including terminals that are coupled to the case and that are electrically connected to the electrode assembly, wherein the terminal has a lead tab that is electrically connected to the electrode assembly and an anti-vibration member is installed between the lead tab and the case.

12-20-2012

20140087219

VEHICLE BATTERY PACK CONTAINER - A vehicle battery pack container is provided. The container includes a base member, a peripheral wall coupled to the base member, and a cover member coupled to the peripheral wall. The container further includes a venting device having a venting housing and a flow diverter member disposed within an interior region of the venting housing. The venting housing is coupled to the base member and is in fluid communication with an aperture in the base member. The venting housing has a tubular portion and a first end portion having a plurality of apertures extending therethrough. The flow diverter member has a central shaft, a first flow diverter plate, and a second flow diverter plate.

03-27-2014

20110195284

BATTERY MODULE AND BATTERY MODULE ASSEMBLY USING SAME - The battery module includes a plurality of battery units, a housing, a wiring board, and a lid. The battery unit is composed of one or more battery cells each having a vent mechanism. At least one surface of the housing is an open end. The housing has a plurality of storage parts partitioned by one or more partition walls. Each battery unit is stored in each storage part. The wiring board covers the open end of the housing, is disposed at the vent mechanism side of the cell, and has connection terminals connected to the battery units. The lid covers the open end of the housing and the wiring board, and has an open part. Through holes are provided on the wiring board in positions facing the battery units and in a different region from that of the connection terminals.

08-11-2011

20140248515

Battery Pack Assembly - A battery pack includes a plurality of cell assemblies each of which include one or more prismatic batteries. A frame has legs sized and configured to be positioned around the prismatic batteries. At least one leg includes a rear face, curved outer edge and a side face. A thermal transfer sheet is made from a sheet of a compressed mass of exfoliated graphite particles. Each thermal transfer sheet is positioned to contact the major surface of the at least one prismatic battery and is bent over the curved outer edge. At least a portion of each thermal transfer sheet is secured between a heat sink and the side face.

09-04-2014

20090068550

Secondary battery - A secondary battery is provided with a safety vent that can decrease the increased inner pressure of the secondary battery by being rapidly fractured when the inner pressure of the secondary battery is increased over a predetermined value. The secondary battery is constructed with a sealed outer case forming a receiving space in an inner side, an electrode assembly received in the receiving space of the outer case, a safety vent formed on one surface of the outer case, and a fracture induction part formed on the surface of the outer case and disposed at a portion of a circumference region of the safety vent. The fracture induction part is relatively thinner than the other portion of the surface of the outer case.

03-12-2009

20140205878

BATTERY CASE - A battery case for mounting under a floor of a vehicle comprises a case body containing a battery module and a cover for closing over an opening of the case body. A reinforcement member for reinforcing the case body is attached to an outer surface of the case body. The case body is provided with a gas circulation hole for letting a gas flow from within the case body into the reinforcement member. The reinforcement member is provided with a gas exhaust port for letting out the gas having flown into the reinforcement member.

07-24-2014

20130164579

BATTERY INSPECTION APPARATUS - A battery inspection apparatus includes a temperature control system configured to provide a temperature control of the batteries by supplying a temperature control fluid through a battery supporting portion to flow, between adjacent batteries, the fluid along the side surfaces thereof and by discharging the fluid through a contactor supporting portion. The contactor supporting portion is provided to face the battery supporting portion and supports a plurality of contactors. The temperature control system may include at least one cross-flow fan that is arranged along an array direction of the batteries, a vent of the fan directed to the plurality of batteries, in order to supply an air flow toward the plurality of batteries.

06-27-2013

20120094157

Battery Module, and Electricity Storage Device - An electricity storage device according to the present invention includes a battery module having side plates and cover members assembled to both the sides of a case member of the battery module, so that gas discharge spaces are defined into which gas is emitted from the terminals of battery cells that are stored within the case member. Projecting portions are provided to the side plates respectively, and have through-holes communicating with the gas discharge spaces. The lowermost surfaces of the through-holes of the projecting portions are positioned lower than a axe of any of the battery cells. The projecting portions are connected by a tubular rubber members.

04-19-2012

20120094156

Battery module - A battery module includes a plurality of battery cells arranged in a first direction, the battery cells having vents, a housing accommodating the battery cells, and an insulating member corresponding to the vents.

04-19-2012

20120094155

BATTERY MODULE - A battery module including a plurality of battery cells arranged in a first direction from a first end of the battery module to a second end of the battery module, each of the battery cells including a case including a vent, an electrode assembly housed in the case, and a terminal electrically coupled to the electrode assembly; a bus bar coupled between the terminals of adjacent battery cells of the plurality of battery cells; and a battery module cover covering the plurality of battery cells and including a degassing cover covering the vents of the plurality of battery cells, and a bus bar cover covering the terminals of the plurality of battery cells and the bus bar.

04-19-2012

20130115490

RECHARGEABLE BATTERY - A rechargeable battery according to an exemplary embodiment of the present invention includes an electrode assembly having a positive electrode and a negative electrode, a case for housing the electrode assembly, and a terminal electrically coupled to the electrode assembly and protruding to an outside of the case. An internal pressure of the case is lower than an atmospheric pressure.

MANUFACTURING METHOD OF SECONDARY BATTERY, SECONDARY BATTERY, AND ASSEMBLED BATTERY - A secondary battery includes an opening portion provided to a case. A first sealing body is provided to the opening portion, the first sealing body being displaced or deformed by a pressure difference between an inside and an outside of the case in such manners that the first sealing body is pressed by internal pressure to allow outflow of inside air from the opening portion when the internal pressure in the case is higher than external pressure and that the first sealing body is pressed by the external pressure to prevent entry of outside air from the opening portion when the internal pressure in the case is lower than the external pressure. Pressure in a space surrounded with the case and the first sealing body is set to be lower than pressure outside the space.

05-23-2013

20120308859

Battery Pack Enclosure with Controlled Thermal Runaway Release System - A battery pack thermal management system is provided that is comprised of at least one enclosure failure port integrated into at least one wall of a battery pack enclosure, where the enclosure failure port(s) remains closed during normal operation of the battery pack, and opens during a battery pack thermal runaway event, thereby providing a flow path for hot gas generated during the thermal runaway event to be exhausted out of the battery pack enclosure in a controlled fashion.

12-06-2012

20130183556

SECONDARY BATTERY - In one aspect, a secondary battery capable of preventing a damage of an electrode assembly by preventing the electrode assembly from contacting an inside protrusion portion of a case when subjected to a shock or vibration is provided.

07-18-2013

20110064979

CYLINDRICAL BATTERY - The opening of a cylindrical battery case 1 with a bottom is sealed by a seal assembly 5. The seal assembly 5 has an upper valve plate 13, a lower valve plate 15, and a bottom plate 16. The bottom plate 16 has inner gas vent holes 21. When the inner gas vent holes 21 are viewed from the axial direction of the battery case 1, at least a part of each inner gas vent hole 21 overlaps a valve-hole forming portion

03-17-2011

20100062322

ELECTRICITY STORAGE DEVICE - An electricity storage device has an electricity storage unit and a case that contains the electricity storage unit and a coolant for cooling the electricity storage unit. The case includes guide portions on an inner wall surface above the electricity storage unit, each of the guide portions having an oblique portion for, when gas is produced by the electricity storage unit, leading the gas to a predetermined position; and contact portions each of which protrudes in a direction of the electricity storage unit with respect to the oblique portions of the guide portions and is brought into contact with the coolant.

03-11-2010

20130202927

PRISMATIC BATTERY HAVING ELECTROLYTE INJECTION-HOLE CAPABLE OF PROVIDING EXCELLENT SEALING ABILITY - Disclosed herein is a secondary battery having an electrode assembly mounted in a prismatic container, wherein the inside of an electrolyte injection hole formed in a base plate mounted to an open upper end of the prismatic container includes an upper part having a chamfered structure in which the diameter of the electrolyte injection hole is gradually decreased downward and a lower part having a non-chamfered structure continuously formed from the chamfered structure, and, when a sealing member is pressed into the electrolyte injection hole, the sealing member deformed into a shape corresponding to the electrolyte injection hole comes into tight contact with the chamfered structure due to shear stress between the chamfered structure and the sealing member and forms a sealed state due to frictional interaction between the non-chamfered structure and the sealing member. Consequently, it is possible to reduce a defect rate of secondary batteries and to improve sealability of the electrolyte injection hole without welding.

08-08-2013

20130202926

BATTERY PACK - There is provided a battery pack capable of improving the safety thereof. The battery pack includes a battery array, side plates, a top cover and end plates. The battery array includes a plurality of battery cells aligned in a first direction. The battery array is formed as a hexahedron having (1-1)th, (1-2)th, (2-1)th (2-2)th, (3-1)th and (3-2)th planes. The top cover is provided to the (1-1)th plane of the battery array, and has reinforcing frames respectively formed at both sides based on the first direction. The reinforcing frame includes vertical and horizontal frames. The end plates are provided to the (3-1)th and (3-2)th planes, respectively. The end plates are fixed to the top cover. A holding part pressing both sides of the top cover on the (1-1)th plane are provided to the side plates, respectively.

08-08-2013

20140093761

LITHIUM SECONDARY BATTERY - There is provided a lithium secondary battery. The positive electrode includes a positive electrode mixture layer provided on one side or both sides of the current collector. The positive electrode active material includes a lithium-containing composite oxide including lithium and a transition metal. At least a part of the lithium-containing composite oxide includes nickel as transition metal. The non-aqueous electrolyte includes a halogen-substituted cyclic carbonate at a content of 0.5 to 5 mass %, when manufacturing the lithium secondary battery. The side part of the battery case includes two wide surfaces opposed to each other. The two wide surfaces are wider than the other surfaces in a side view. The side part has such a cleavable groove that is cleaved when an internal pressure of the battery exceeds a threshold. The cleavable groove is provided at a portion to intersect with a diagonal of the wide surfaces in the side view.

04-03-2014

20130216872

PRISMATIC ELECTROCHEMICAL CELL - Systems are disclosed for battery modules having a plurality of electrochemical cells and cooling systems. According to one embodiment, a battery system includes a plurality of battery modules. Each battery module includes a plurality of electrochemical cells in thermal contact with a heat sink. The heat sink may utilize a plurality of fins and a fluid (e.g., air) to cool or heat the electrochemical cells. The electrochemical cells each have a positive terminal blade and a negative terminal blade that function as external terminals for the cell. The negative terminal blade is electrically isolated from the cover of the cell and is configured to be coupled to an internal negative terminal of the cell.

08-22-2013

20140030564

RECHARGEABLE BATTERY - A rechargeable battery, which can improve safety by rapidly releasing internal gases by forming a vent in a pouch. The rechargeable battery includes an electrode assembly including a first electrode, a second electrode and a separator interposed between the first electrode and the second electrode, a pouch accommodating the electrode assembly and including a metal layer, and a vent formed on at least one side of the pouch, wherein the vent is formed by forming a trench in the metal layer.

01-30-2014

20140030565

BATTERY PACK FOR VEHICLE - Disclosed is a battery pack for a vehicle, including: a case configured to receive a battery. The case includes a recessed lower surface forming an air passage to allow air to flow from one side of a lower surface of the case to another side to cool the battery there above. A passage guide is formed by a cover coupled to a side surface of the case to form an air duct. The air duct extends at least from an upper end side to a lower end side of the case and a lower end of the air duct is connected to an inlet portion of the air passage formed on a lower surface of the case.

01-30-2014

20090029239

BATTERY CELL CARRIER ASSEMBLY HAVING A BATTERY CELL CARRIER FOR HOLDING A BATTERY CELL THEREIN - A battery cell carrier assembly having a battery cell carrier for holding a battery cell is provided. The battery cell carrier includes a trapping member for holding the battery cell. The battery cell carrier has at least one aperture extending therethrough for allowing air to flow therethrough to contact the first side of the battery cell for cooling the battery cell. The battery cell carrier further includes a panel member configured to be coupled to the trapping member for holding the battery cell therebetween. The panel member has at least one aperture extending therethrough for allowing air to flow therethrough to contact the battery cell for cooling the battery cell.

ASSEMBLED BATTERY - An assembled battery including a plurality of single batteries, a fin shaped portion and a sheet member is provided. The fin shaped portion is disposed outside of the plurality of the single batteries. A gas exhaustion path is defined between the fin shaped portion and the plurality of a plurality of the single batteries. A gas discharged from the single batteries from the assembled battery is discharged from the assembled battery to an outside of the assembled battery through the gas exhaustion path in a battery abnormal condition. The sheet member is disposed between the gas exhaustion path and the plurality of the single batteries, and is an insulating member.

Battery - A battery is provided with a container, one cell wide, having a top, a bottom, two end walls, a closed side wall and an open side. Plural plate elements are formed by connecting together a plurality of positive plates, each with a tab on one side, and a plurality of negative plates, each with a tab on an opposite side. The plural plate elements are inserted face first and positioned through the open side into the container. A separate cover seals the open side of the container and compresses the plural plate elements in the container. The battery may be either a sealed, valve-regulated, lead acid type or a lithium ion type. The container may have one or more cells and head space which serves as an electrolyte reservoir. The container also has holes formed in the two end walls. A pre-cast post is arranged either in each of the holes on one side of a multi-cellular container or in a single hole in each opposite end wall of a single-cell container. A transitional strap connects adjacent holes formed in the end walls of the multi-cellular container on a side opposite from the pre-cast posts. The separate cover has at least one hole formed therein. A vent plug is installed in the hole formed in the separate cover. The pre-cast post includes a central copper insert surrounded by a lead terminal which is partially surrounded by a plastic collar.

03-21-2013

20140154539

MODULE FOR SECURING ENERGY STORAGE CELLS - The disclosure relates to packaging of an energy storage module containing a plurality of storage cells for use in mobile and stationary power generation. The storage cells are pressed into a block of thermally conductive material in order to manage the temperature of the cells. The storage cells are secured between a clamping plate and a chassis. The resulting package is suitable for use in heavy duty applications.

06-05-2014

20140154540

POWER BATTERY COVER PLATE EQUIPPED WITH A CURRENT INTERRUPTION DEVICE - The invention pertains to the field of battery technology, in particular to a power battery cover plate equipped with a current interruption device, comprising a cover plate, a positive Terminal, a vent and a negative teminal, wherein, the positive Terminal, the vent and the negative teminal are installed on the cover plate; the negative teminal comprises an upper part of the negative teminal and a lower part of the negative teminal, in which, the lower part of the negative teminal is assembled with the upper part of the negative teminal in an insulated and sealed way, the upper part of the negative teminal is connected with the lower part of the negative teminal via an elastic connector, the lower part of the negative teminal is provided with a notch to which the elastic connector is corresponding to.

06-05-2014

20120177961

PRISMATIC SECONDARY BATTERY EMPLOYED WITH SAFETY GROOVE - A prismatic secondary battery includes an electrode assembly having a cathode, an anode, and a separator mounted in a prismatic battery case in a sealed state, the battery case including a hexahedral case body open at the top thereof, the hexahedral case body being made of a metal material, and a case cap coupled to the open top of the case body, the case cap having an electrode terminal, wherein the case body is provided at a region exhibiting a stress distribution equivalent to 40% or less of the maximum stress of the case in a high pressure state with a line-shaped safety groove configured to be ruptured when high pressure occurs in the battery, and the safety groove is configured such that a residual thickness of the case body is decreased toward the middle from opposite ends of the safety groove in the longitudinal direction.

07-12-2012

20140106191

ELECTRICAL STORAGE DEVICE AND METHOD FOR MANUFACTURING THE SAME - An electrical storage unit that includes a positive electrode, which includes a positive-electrode collector electrode and a positive-electrode active material layer on the positive-electrode collector electrode, a negative electrode, which includes a negative-electrode collector electrode and a negative-electrode active material layer on the negative-electrode collector electrode, the negative-electrode active material layer facing the positive-electrode active material layer, and a first insulating layer bonded to the positive electrode and the negative electrode and separating the positive electrode from the negative electrode. The first insulating layer is bonded to part of a surface of the positive electrode and part of a surface of the negative electrode and includes a communication path for connecting the outside of the electrical storage unit to the inside of the electrical storage unit.

04-17-2014

20140106190

PRESSURE-RELIEF MECHANISM TO IMPROVE SAFETY IN LITHIUM-POLYMER BATTERY CELLS - The disclosed embodiments relate to a battery cell which includes a weakness for relieving pressure. This battery cell includes a jelly roll comprising layers which are wound together, including a cathode with an active coating, a separator and an anode with an active coating. The jelly roll also includes a first conductive tab coupled to the cathode and a second conductive tab coupled to the anode. The jelly roll is enclosed in a flexible pouch, wherein the first and second conductive tabs extend through seals in the pouch to provide terminals for the battery cell. This pouch includes a weakness which yields when internal pressure in the pouch exceeds a threshold to create a hole which releases the internal pressure.

04-17-2014

20140162097

CURRENT COLLECTOR FOR AN ELECTROMECHANICAL CELL - A current collector for an electrochemical cell includes a member having an outer member and an inner member coupled to the outer member by a plurality of flexible arms configured to allow the inner member to move relative to the outer member.

06-12-2014

20140178724

NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, a nonaqueous electrolyte battery includes a case member, a negative electrode terminal, an electrode group, a negative electrode lead, a rupture member, and a gas releasing portion. The electrode group is provided in the case member, and includes positive and negative electrodes. The negative electrode lead electrically connects the negative electrode terminal to the negative electrode. The gas releasing portion is provided in the case member, is able to transfer a heat from the negative electrode lead and includes a zeolite-based porous material.

06-26-2014

20130029197

BATTERY PACK INCLUDING A SHOCK ABSORBING DEVICE - One aspect according to the present invention includes a battery pack and a shock absorbing device interposed between a battery cell holder and a case body and capable of keeping the battery cell holder and the battery cells not to directly contact with an inner surface of the case body.

01-31-2013

20140370341

ENERGY STORAGE APPARATUS - An energy storage apparatus includes: one or more energy storage devices; a wiring connection component for connecting first wiring and second wiring, the first wiring being connected to at least one of the one or more energy storage devices, the second wiring being external wiring; and an attachment portion to which the wiring connection component is detachably attached.

12-18-2014

20130034755

BATTERY MODULE - A battery module including a plurality of battery cells arranged in a direction, and a plurality of barriers, each arranged between battery cells of the plurality of battery cells and including a body unit having at least one opening and facing a face of a battery cell of the battery cells, at least one side unit connected to at least one end of the body unit such that at least a portion of the at least one side unit contacts a side of the battery cell, and at least one fixing unit on the side unit and configured to connect the barrier to an adjacent barrier of the plurality of barriers.

02-07-2013

20140242431

WATER ADDITION PLUG FOR STORAGE BATTERY - Provided is a water addition plug for a storage battery, which is for carrying out water addition into a container of the storage battery. The water addition plug comprising a water addition plug main body having a water supply port through which the water is supplied, a water addition port through which the supplied water is discharged into the container, and a valve chest disposed between the water supply port and the water addition port and provided with a first valve and a second valve and a float that moves up and down following an electrolyte level in the container. The first valve comprises a first drain port, which is open to the valve chest and communicates with the water addition port, and a first valve element for closing the first drain port in synchronization with a vertical movement of the float. The second valve comprises a second drain port, which is open to the valve chest and communicates with the water addition port, and a second valve element for closing the second drain port.

08-28-2014

20140045007

MOTOR VEHICLE BATTERY - A motor vehicle battery has at least one battery module with a plurality of battery cells (

02-13-2014

20140045006

BATTERY MODULE - There is provided a battery module capable of enhancing insulation property and safety. The battery module includes two or more battery cells arranged in one direction, and each having a vent; a housing that accommodates the battery cells and has a top cover; and a sub cover that is provided to cover at least one portion of tops of the battery cells, and allows the battery cells and the top cover to be spaced apart from each other.